Designed with a high Dmax and wide color gamut, this 60" x 40' roll of Optica One Fine Art Paper from Breathing Color is well-suited to demanding photographic applications. The 100% cotton fiber has a bright white, smooth matte surface which will reproduce fine details without issue. It has a basis weight of 300 gsm, a thickness of 15.4 mil, and a rated opacity of 97%. It has a print permanence of 100+ years and comes on a 2" core.